S
M
T
W
T
F
S
30
78°
59°
31
81°
59°
1
82°
60°
2
82°
59°
3
81°
52°
4
80°
50°
5
73°
53°
6
74°
57°
7
77°
57°
8
80°
56°
9
78°
57°
10
79°
55°
11
78°
52°
12
78°
53°
13
77°
56°
14
77°
57°
15
78°
56°
16
78°
49°
17
76°
55°
18
74°
53°
19
76°
51°
20
73°
46°
21
68°
44°
22
67°
49°
23
68°
47°
24
73°
44°
25
66°
43°
26
65°
43°
27
66°
48°
28
71°
49°
29
72°
44°
30
68°
43°
1
63°
46°
2
64°
40°
3
63°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in West Newbury
West Newbury's September 2026 forecast shows daily high temperatures ranging from 63° to 82°, with overnight lows between 40° and 60°. The average high for September is 74° with an average low of 51°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in West Newbury. See also: October | November | December.
